SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IitCM3BhVVdFQ092MElMeStqVlFKanc9PSIsInZhbHVlIjoiRFFoa0JkZkRSSGV1OFM1YmFmSEJwdz09IiwibWFjIjoiZjAxNzFiOWM4YTU4M2I3NzU1M2I4NDI0ODU3ZTA0YmVhOGUwOGMwYzViOWNlYjE1YWRlOWQ0Zjk2ZjhmYWRmZiIsInRhZyI6IiJ9 limit 1)